Parent taxon: Anisoptera according to G. Bechly 2007
See also Bechly 2000 and Petrulevičius and Nel 2003
Sister taxa: Aeschna eudore, Aeschna parkinsoni, Aeschnidioidea, Cercus, Cercus clavus, Cordulia scheuchzeri, Cratopetaliidae, Cymatophlebia mongolica, Dissurus, Dissurus liauyuanensis, Dissurus qinquanensis, Epigomphidae, Euanisoptera, Hageniidae, Henrotayiidae, Ictinogomphus fur, Ixtahua, Juragomphidae, Kazakhophlebiella, Libanoaeshnidae, Libellula calypso, Libellula doris, Libellula eurynome, Libellula melobasis, Libellula perse, Libellula thetis, Libellula thoe, Libelluloidea, Magnathemidae, Megaphlebiidae, Miopetalura orientalis, Necrogomphus, Nothomacromiidae, Pritykiniella, Proterogomphidae, Stenogomphus scudderi
Subtaxa: Petaluridae Petalurodea Protolindeniidae
Ecology: fast-moving volant carnivore-insectivore